FeaturesTorch uses of a XM-L T6 LED， producing very bright beam of light.Output bright can come to above 2000 lumens [lm]Internal wiring applies the high efficient booster circuit， and can utilize the batteries in the largest extentThe body of this flashlight is built of aircraft-grade aluminum alloy， and it has a very solid construction.Hard-Anodized finish; Anti-abrasive， free-scratch， shock-proof.Internal wiring applies the high efficient booster circuit， and can utilize the batteries in the largest extent4 O-Rings Around body and seal is great.The body of this flashlight is built of aircraft-grade aluminum alloy， and it has a very solid construction.Hard-Anodized finish; Anti-abrasive， free-scratch， shock-proof.Ultra-deep trench structuresi Skid-proof effect is excellent when divingSpecifications:Emitter Type: XM-L T6 LEDWaterproof: Up to 80mLight Color: WhiteLED Quantity: 1Model of Battery required: 1 x 26650 3.7v Battery(Not Included)Switch Type: Twist (Twisty)2 switch Mode: High / Strobe Brightness: 1800 lumensLED Lifespan: 100，000 hoursMaterial :AluminumLens: Coated Glass LensReflector: Aluminum smooth reflectorSize(mm):140 (Long)x 50(Head diameter)/30(body)Weight: 170g (Flashlight)Package Included:100% Brand New1 x XM-L T6 LED 1800Lm Diving Flashlight Torch